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複数マイクロフォン・ドローンリモートセンシング手法による尾瀬ヶ原湿原のニホンジカ個体数の推定

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Please use this identifier to cite or link to this item:https://doi.org/10.14943/lowtemsci.80.477

Title: 複数マイクロフォン・ドローンリモートセンシング手法による尾瀬ヶ原湿原のニホンジカ個体数の推定
Other Titles: Development of methods for estimating deer population size with ground and remote sensing techniques
Authors: 沖, 一雄1 Browse this author
牧, 雅康2 Browse this author
奥村, 忠誠3 Browse this author
サレム イブラヒム, サレム4 Browse this author
Authors(alt): Oki, Kazuo1
Maki, Masayasu2
Okumura, Tadanobu3
Salem Ibrahim, Salem4
Keywords: 尾瀬ヶ原
シカの鳴き声
マイクロフォン
UAV
リモートセンシング
Ozegahara mire
deer cry
sound recordings
remote sensing
Issue Date: 31-Mar-2022
Publisher: 低温科学第80巻編集委員会
Journal Title: 低温科学
Journal Title(alt): Low Temperature Science
Volume: 80
Start Page: 477
End Page: 482
Abstract: 本研究は,マイクロフォン地上センサとドローンリモートセンシングによるニホンジカ個体数推定手法の開発をおこない,それらの精度を比較検討し,最終的に人のアプローチによる調査が難しい湿原域におけるシカ個体数推定手法の提案をおこなった. 最終的な研究成果として,マイクロフォンによるシカ個体数推定では,尾瀬ヶ原西部地域のシカの個体数は,およそ539.9~667.4頭と推定され,ドローンによる個体数は,およそ470~696頭と推定された.マイクロフォンとドローンによるシカの個体数の推定原理は全く違うにも関わらずほぼ同じ推定結果が得られ,それぞれの手法の有効性が示された.今後,尾瀬においてこれらの手法の活用が期待される.
In the present study, we developed a method for evaluating the deer population in western Ozegahara using microphone ground sensors and an unmanned aerial vehicle (UAV). Specifically, we first developed a deer population estimation method using a microphone, followed by a deer population estimation method using the UAV. We then carried out a comparative examination of the accuracy of these deer population estimation methods. We propose these new methods for estimating deer populations in wetlands, which are difficult for humans to enter. Our research results showed that the deer population estimated by the microphone was 539.9 to 667.4 in the western Oze area, and the drone estimated it to be 470 to 696. Although the two methods for estimating the deer population are completely different, almost the same results were obtained, indicating that these methods are effective. It is expected that these methods will be utilized in Oze in the future.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/84944
Appears in Collections:低温科学 = Low Temperature Science > 第80巻

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